diff --git a/CHANGELOG.md b/CHANGELOG.md
index d5b58d1..4ae4dfb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 All notable changes to QingStor SDK for JAVA will be documented in this file.
 
+## [v2.6.3] - 2024-01-15
+
+### Fixed
+
+- Update okhttp & jackson to address several vulnerability issues.
+
 ## [v2.6.2] - 2023-07-28
 
 ### Fixed
diff --git a/build.gradle b/build.gradle
index 13ee40b..dc3df26 100644
--- a/build.gradle
+++ b/build.gradle
@@ -8,7 +8,7 @@ plugins {
 
 group = 'com.yunify'
 // Pass command-line option: -Psdk_version=x.x.x if you want build a different version.
-version = findProperty('sdk_version') ?: '2.6.2'
+version = findProperty('sdk_version') ?: '2.6.3'
 
 repositories {
     mavenCentral()
diff --git a/docs/install.md b/docs/install.md
index 01412b2..9f17cdb 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -12,7 +12,7 @@ Gradle:
 
 ```gradle
 dependencies {
-  implementation 'com.yunify:qingstor.sdk.java:2.6.2'
+  implementation 'com.yunify:qingstor.sdk.java:2.6.3'
 }
 ```
 
@@ -22,7 +22,7 @@ Maven:
 <dependency>
   <groupId>com.yunify</groupId>
   <artifactId>qingstor.sdk.java</artifactId>
-  <version>2.6.2</version>
+  <version>2.6.3</version>
 </dependency>
 ```
 
diff --git a/docs/install_zh-CN.md b/docs/install_zh-CN.md
index 4964087..b72f134 100644
--- a/docs/install_zh-CN.md
+++ b/docs/install_zh-CN.md
@@ -12,7 +12,7 @@ Gradle:
 
 ```gradle
 dependencies {
-  implementation 'com.yunify:qingstor.sdk.java:2.6.2'
+  implementation 'com.yunify:qingstor.sdk.java:2.6.3'
 }
 ```
 
@@ -22,7 +22,7 @@ Maven:
 <dependency>
   <groupId>com.yunify</groupId>
   <artifactId>qingstor.sdk.java</artifactId>
-  <version>2.6.2</version>
+  <version>2.6.3</version>
 </dependency>
 ```